Arabic (Original)
حَدَّثَنَا وَكِيعٌ حَدَّثَنَا سُفْيَانُ عَنْ مُوسَى قَالَ وَكِيعٌ نَرَى أَنَّهُ ابْنُ عُقْبَةَ عَنْ سَالِمٍ عَنِ ابْنِ عُمَرَ قَالَ كَانَ يَمِينُ النَّبِيِّ صَلَّى اللَّهُ عَلَيْهِ وَسَلَّمَ الَّتِي يَحْلِفُ عَلَيْهَا لَا وَمُقَلِّبِ الْقُلُوبِ.
English Translation
Waki' told us, Sufyan told us, from Musa - Waki' said, "We think he is Ibn 'Uqbah" - from Salim, from Ibn 'Umar, who said: The oath of the Prophet, peace and blessings be upon him, by which he used to swear, was "No, by the Turner of hearts."